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Giulio 2021-06-22 12:04:31 +02:00
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Readme.md
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@ -134,6 +134,9 @@ Of course `expire=` and `comment=` are optional fields.
### Required rules
#### External
***srchost and srcports support yet to be written here ***
In `<networkvm>`:
```
@ -150,6 +153,20 @@ iptables -I FORWARD 2 -i <interface> -d <appvm_ip> -p tcp --dport <target_port>
nft add rule ip qubes-firewall forward meta iifname <interface> ip daddr <appvm_ip> tcp dport <target_port> ct state new counter accept
```
in `<appvm>`:
```
iptables -w -I INPUT 5 -d <appvm_ip> -p tcp --dport <target_port> -m conntrack --ctstate NEW -j ACCEPT
```
#### Internal
In `<firewallvm>`:
```
iptables -t nat -A PREROUTING -i <interface> -p tcp --dport <target_port> -d <firewallvm_ip> -j DNAT --to-destination <appvm_ip>
iptables -I FORWARD 2 -i <interface> -d <appvm_ip> -p tcp --dport <target_port> -m conntrack --ctstate NEW -j ACCEPT
nft add rule ip qubes-firewall forward meta iifname <interface> ip daddr <appvm_ip> tcp dport <target_port> ct state new counter accept
```
in `<appvm>`:
```
iptables -w -I INPUT 5 -d <appvm_ip> -p tcp --dport <target_port> -m conntrack --ctstate NEW -j ACCEPT